Home / 30,660.85-42,315.47-17,050.24

Finding the Fourth Proportional to 30,660.85, 42,315.47 and 17,050.24

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Solution

The fourth proportional to 30,660.85, 42,315.47 and 17,050.24 is: 23,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660.85 : 42,315.47 = 17,050.24 : x
  2. Step 2: Convert to fraction form
    30,660.85/42,315.47 = 17,050.24/x
  3. Step 3: Cross multiply
    30,660.85x = 42,315.47 × 17,050.24
  4. Step 4: Simplify right side
    30,660.85x = 721,488,728.17
  5. Step 5: Solve for x
    x = 721,488,728.17/30,660.85
  6. Step 6: Final answer
    x = 23,531.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.